2026. THE EFFECT OF COMPETENCY DEVELOPMENT AND EMPOWERING LEADERSHIP ON SUBJECTIVE CAREER SUCCESS WITH SELF-EFFICACY AS A MEDIATING VARIABLE IN EMPLOYEES OF THE WEST SUMATRA EMPLOYMENT SOCIAL SECURITY AGENCY. Jurnal Riset Multidisiplin Edukasi. 3, 3 (Mar. 2026), 289–304. DOI:https://doi.org/10.71282/jurmie.v3i3.1772.